Boy Brow, £
Boy Brow has amassed a cult following on (and off) Instagram, and for good reason. Our deputy beauty editor @chloeburcham swears by the brown shade to thicken up her brows and tidy stray hairs in seconds. The clear shade is a bit trickier to work with, as it applies white and takes a while to disappear. But once it’s set, your brows aren’t budging.